<template>
  <div class="tab-control">
    <div v-for="(item,index) in titles" :key="index"
        class="tab-control-item"
        :class="{active: index === currentIndex}"
        @click="itemClick(index)">
      <span>{{item}}</span>
    </div>
  </div>
</template>
<script>
export default {
  name: "TabControl",
  props: {
    titles: {
      type: Array,
      default() {
        return [];
      }
    }
  },
  data() {
      return {
        currentIndex: 0
      }
    },
    methods: {
      itemClick(index) {
        this.currentIndex = index;
        this.$emit('tabClick', index);//内部往外边传
      }
    }
};
</script>
<style scoped>
  .tab-control {
    display: flex;
    text-align: center;
    font-size: 15px;
    height: 40px;
    line-height: 40px;
    background-color: #fff;
  }

  .tab-control-item {
    flex: 1;
  }

  .tab-control-item span {
    padding: 5px;
  }

  .active {
    color: var(--color-high-text);
  }

  .active span {
    border-bottom: 3px solid var(--color-tint);
  }
</style>